73794440 has 32 divisors (see below), whose sum is σ = 166403160. Its totient is φ = 29452800.

The previous prime is 73794437. The next prime is 73794443. The reversal of 73794440 is 4449737.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73794437) and next prime (73794443).

It can be written as a sum of positive squares in 4 ways, for example, as 49252324 + 24542116 = 7018^2 + 4954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73794394 and 73794403.

It is not an unprimeable number, because it can be changed into a prime (73794443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19070 + ... + 22610.

Almost surely, 2^73794440 is an apocalyptic number.

It is an amenable number.

73794440 is an abundant number, since it is smaller than the sum of its proper divisors (92608720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73794440 is a wasteful number, since it uses less digits than its factorization.

73794440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 73794440 is about 8590.3690258335. The cubic root of 73794440 is about 419.4445416072. Note that the first 3 decimals are identical.

The spelling of 73794440 in words is "seventy-three million, seven hundred ninety-four thousand, four hundred forty".